Home / 109,134,066.60-163,701,099.90-66,087,345.60

Finding the Fourth Proportional to 109,134,066.60, 163,701,099.90 and 66,087,345.60

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Solution

The fourth proportional to 109,134,066.60, 163,701,099.90 and 66,087,345.60 is: 99,131,018.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,134,066.60 : 163,701,099.90 = 66,087,345.60 : x
  2. Step 2: Convert to fraction form
    109,134,066.60/163,701,099.90 = 66,087,345.60/x
  3. Step 3: Cross multiply
    109,134,066.60x = 163,701,099.90 × 66,087,345.60
  4. Step 4: Simplify right side
    109,134,066.60x = 10,818,571,164,191,426
  5. Step 5: Solve for x
    x = 10,818,571,164,191,426/109,134,066.60
  6. Step 6: Final answer
    x = 99,131,018.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.